W51-28-24U Is a Code 62 Threaded – NPTF ( Pipe Thread )
W51-36-32 Is a Code 62 Threaded – NPTF ( Pipe Thread )
W8-12-12 Is a Code 61 Threaded – ORB ( SAE O-Ring Boss )
W46-8-8 Is a Code 61 Threaded – ORB ( SAE O-Ring Boss )
FEMALE ORB X CODE 61 FLANGE O-RING FLANGE PAD-CODE 61
W65-32 Is a Code 62 Threaded – ORB ( SAE O-Ring Boss )
W65-16U Is a Code 62 Pipe – Deep Socket Weld
W6-24-20U Is a Code 62 Pipe – Deep Socket Weld
W75-20 Is a Code 62 Pipe – Deep Socket Weld